<template>
  <div class="login">
    <el-col :span="8">

      <div class="logintitle"><img alt="" src="../assets/images/login-logo.png"><span
          class="titleText">涉众案件案款发放监管系统</span></div>
      <div class="formspace">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <el-form-item prop="username">
            <el-input class="myClass" v-model="loginForm.username" type="text" auto-complete="off" placeholder="请输入用户名">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input class="myClass" v-model="loginForm.password" type="password" auto-complete="off"
              placeholder="请输入密码" @keyup.enter.native="handleLogin">
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <!-- <el-form-item prop="code" v-if="captchaEnabled">
            <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                slot="prefix"
                icon-class="validCode"
                class="el-input__icon input-icon"
              />
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img" />
            </div>
          </el-form-item> -->
          <el-checkbox v-model="loginForm.rememberMe" class="checkboxClass">记住用户名
          </el-checkbox>
          <el-form-item style="width: 100%">
            <el-button :loading="loading" size="medium" type="primary" class="loginButton"
              @click.native.prevent="handleLogin">
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div style="float: right" v-if="register">
              <router-link class="link-type" :to="'/register'">立即注册
              </router-link>
            </div>
          </el-form-item>
        </el-form>
      </div>

    </el-col>
    <el-col :span="12"></el-col>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
        // code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      // 验证码开关
      captchaEnabled: false,
      // 注册开关
      register: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {
              });
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
        }
      });
    },
  },
};
</script>
<style>
.myClass .el-input__inner {
  /* 继承父级 */
  background: transparent !important;
  border: 0;
  border-radius: 0;
  color: #fff;
  border-bottom: 1px solid white !important;
}
</style>
<style rel="stylesheet/scss" lang="scss" scoped>
.logintitle {
  display: flex;
  font-size: 50px;
  width: 1000px;
  height: 150px;
  line-height: 150px;
  color: white;
  align-items: center;
  /*上下居中*/
  margin: auto;
}

.titleText {
  margin-left: 15px;
}

.formspace {
  margin-left: 15%;
  width: 80%;
  height: 400px;
  padding-top: 100px;
  background-image: url("../assets/images/login-form-images.png");
  background-size: 100% 100%;
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background1.jpg");
  background-size: 100% 100%;
}

.checkboxClass {
  margin: 0 0 25px 0;
  color: #fff;
  margin-bottom: 20px;
}

.loginButton {
  margin-top: 15px;
  height: 50px;
  width: 100%;
  font-size: 18px;
}

.title {
  margin: 0 auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  width: 80%;
  height: 400px;
  margin: 0 auto;
  padding: 0;

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }

  }


}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
